1: (0 2 16)

(0 13 11 10 2 20 7)(1 18 4)(3 8 5)(6 15 14 12 9)(16)(17 21 19)

2: (1 18 4)

(0 13 11 10 2 20 7)(1)(3 8 5)(4)(6 15 14 12 9)(16)(17 21 19)(18)

3: (7 11 20)

(0 13 11)(1)(2 20 10)(3 8 5)(4)(6 15 14 12 9)(7)(16)(17 21 19)(18)

4: (6 15 9)

(0 13 11)(1)(2 20 10)(3 8 5)(4)(6)(7)(9 14 12)(15)(16)(17 21 19)(18)